// const UglifyJsPlugin = require('uglifyjs-web
module.exports = {
  presets: [
    '@vue/cli-plugin-babel/preset'
  ],
  // plugins: ['transform-remove-console'],

  env: {
    development: {
      // babel-plugin-dynamic-import-node plugin only does one thing by converting all import() to require().
      // This plugin can significantly increase the speed of hot updates, when you have a large number of pages.
      // https://panjiachen.github.io/vue-element-admin-site/guide/advanced/lazy-loading.html
      plugins: ['dynamic-import-node']
    },
    production: {
      // babel-plugin-dynamic-import-node plugin only does one thing by converting all import() to require().
      // This plugin can significantly increase the speed of hot updates, when you have a large number of pages.
      // https://panjiachen.github.io/vue-element-admin-site/guide/advanced/lazy-loading.html
      plugins: ['transform-remove-console']
    }
  }

  // plugins: [
  //   // 打包环境去掉console.log
  //   new UglifyJsPlugin({
  //     uglifyOptions: {
  //       compress: {
  //         warnings: false,
  //         drop_console: true, // 注释console
  //         drop_debugger: true, // 注释debugger
  //         pure_funcs: ['console.log'] // 移除console.log
  //       }
  //     }
  //   })
  // ]
}
